function openWin(winurl,winw,winh,winname,winstatus) {
  if (!winname) winname = "PopupWindow";
  var camindoleft = (screen.width-winw) / 2;
  camindoleft = parseInt(camindoleft);
  var camindotop = (screen.height-winh) / 2;
  camindotop = parseInt(camindotop);
  var camindooptions = "width="+winw+",height="+winh+",status=yes,toolbar=no,menubar=no,location=no,scrollbars=no,resizable=no,left="+camindoleft+",top="+camindotop;
  window.open(winurl,winname, camindooptions);
}